.page4{
  border: 1px solid #000;
  padding: 10px;
  .content{
    border: 1px solid #000;
    padding: 10px;
    margin-bottom: 10px;
  }
  textarea{
    width: 800px;
    height: 400px;
    outline: none;
    padding: 5px;
  }
}
